Lake Madeleine Dike is an earth dam located in Bennington County, Vermont, built in 1957. It carries a Significant hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 1,100 ft long, taller than 62% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lake Madeleine Dike
The primary purpose of Lake Madeleine Dike is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Carthusian Foundation (private). It impounds the Green River-tr near Sandgate.
The dam stands 28 feet tall and stretches 1,100 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 475 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 08/01/1978. That was over 48 years ago.
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Location
| State | Vermont |
| County | Bennington |
| Nearest City | Sandgate |
| River/Stream | Green River-tr |
| Coordinates | 43.16192, -73.14435 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 25 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 475 acre-ft |
| Max Storage | 475 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Carthusian Foundation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/01/1978 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00337 |
| Federal ID | VT00337 |
| More Info | State Dam Safety Program |